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New posts in algebra-precalculus
Proving double derivatives with the chain rule (I think?)
calculus
algebra-precalculus
derivatives
Find the coefficient of $x^3y^2z^3$ in the expansion $(2x+3y-4z+w)^9$
algebra-precalculus
binomial-coefficients
Zero Polynomials: Help Me Get out of a Circular Argument
algebra-precalculus
polynomials
proof-verification
induction
roots
Minimum value of $\sqrt{x^2+25}+\sqrt{y^2+16}$ if $x+y=12$
algebra-precalculus
What is the easier way to find the circle given three points?
algebra-precalculus
circles
conic-sections
Proving that $\frac{\csc\theta}{\cot\theta}-\frac{\cot\theta}{\csc\theta}=\tan\theta\sin\theta$
algebra-precalculus
trigonometry
A 3-minute algebra problem
algebra-precalculus
Show that polynomial $X^{n+1}-aX^n+aX-1$ has only roots of module $1$
algebra-precalculus
polynomials
All positive solutions of $\tan x=x$
algebra-precalculus
trigonometry
transcendental-equations
Finding the roots of $x^3 - 93x - 308$ extremely quickly?
algebra-precalculus
polynomials
Why is finding the roots of a polynomial equation so important? What is to gain? [duplicate]
algebra-precalculus
Prove that $\ln2<\frac{1}{\sqrt[3]3}$
calculus
algebra-precalculus
inequality
Showing $\alpha(\beta+1)\leq\frac{5}{3}\alpha^2+\frac{1}{3}\beta^2$ for nonnegative integers $\alpha$ and $\beta$.
algebra-precalculus
discrete-mathematics
Truth of $x^2-2=0$
algebra-precalculus
irrational-numbers
$\sqrt{6}-\sqrt{2}-\sqrt{3}$ is irrational
algebra-precalculus
solution-verification
radicals
rationality-testing
Prove the following ceiling and floor identities?
algebra-precalculus
functions
ceiling-and-floor-functions
Radius of Curvature
calculus
algebra-precalculus
differential-geometry
Show that the roots of the polynomial $x^4 - px^3 + qx^2 - pqx + 1 = 0$ satisfy a certain relationship
algebra-precalculus
polynomials
symmetric-polynomials
How to find out the greater number from $15^{1/20}$ and $20^{1/15}$?
algebra-precalculus
inequality
arithmetic
exponentiation
number-comparison
Finding Delta Algebraically for a Given Epsilon?
calculus
algebra-precalculus
limits
continuity
epsilon-delta
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